Pass Exam With Full Sureness - H12-821_V1.0 Dumps with 62 Questions
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NEW QUESTION 20
Which of the following attribute must be carried in an Update message?
- A. AS-Path
- B. Local-pref
- C. Prefval
- D. MED
Answer: B
NEW QUESTION 21
Which of the following PIM protocol packets have unicast destination addresses.
- A. Graft
- B. Bootstrap
- C. Register Stop
- D. Assert
Answer: A
NEW QUESTION 22
Which of the following statements regarding the stateful inspection firewall is true?
- A. When the stateful inspection firewall checks packets, packets of one same connection are not correlated.
- B. Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.
- C. The stateful inspection firewall needs to match the rules for each incoming packet.
- D. The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.
Answer: D
NEW QUESTION 23
A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?
- A. Uncertain
- B. Root switch
- C. Secondary root switch
- D. Non-root switch
Answer: A
NEW QUESTION 24
Which of the following statements is false?
- A. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- B. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
- C. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- D. A device with a higher router priority has a higher election priority.
Answer: B
NEW QUESTION 25
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 26
Which of the following statements regarding the firewall zone security level is false?
- A. Only the security level of the user-defined zone can be configured.
- B. The default security level of the new zone is 1.
- C. Two zones cannot be configured with the same security level.
- D. The configured security level cannot be changed.
Answer: D
NEW QUESTION 27
If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 28
There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)
Answer:
Explanation:
primary
NEW QUESTION 29
What parameters can a DHCP6 server assign to a DHCPv6 client?
- A. DNS server address
- B. SNTP server address
- C. Gateway address
- D. IPV6 address/prefix
Answer: B
NEW QUESTION 30
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?
- A. Controls the advertisement of routes generated by the device.
- B. Is used together with the route import function to advertise some imported external routes to neighbors.
- C. Filters LSPs to be advertised.
- D. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
Answer: D
NEW QUESTION 31
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION 32
Which of the following statements regarding IGMPv1 and IGMPv2 are true?
- A. IGMPv1 does not define the IGMP Leave message type.
- B. IGMPv1 supports general query.
- C. 1GMPv2 defines the Leave message type.
- D. 1GMPv2 supports only general query.
Answer: B
NEW QUESTION 33
Which of the following statements about the forwarding plane of a switch is false?
- A. Consists of main control boards and interface boards.
- B. Provides high-speed and non-blocking data channels.
- C. Can collect packet statistics.
- D. Can encapsulate and decapsulate packets.
Answer: C
NEW QUESTION 34
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. FLASE
- B. TRUE
Answer: B
NEW QUESTION 35
Which of the following statements regarding BGP route advertisement are false?
- A. Only the optimal routes preferred by BGP can be advertised to other BGP peers.
- B. By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.
- C. Only the routes learned from IGPs can be advertised to other BGP peers.
- D. All the BGP routes learned from all BGP peer will be advertised to other BGP peers.
Answer: A
NEW QUESTION 36
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Virtual IP address
- B. Virtual router priority
- C. Preemption mode
- D. Preemption delay
Answer: A
NEW QUESTION 37
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. Tag
- B. MED
- C. Local-Preference
- D. AS_Path
Answer: B,C,D
NEW QUESTION 38
Which of the following statements regarding different LSA types is false?
- A. LS Request packets contain only LS Type, LS ID, and Advertising Router.
- B. LS Ack packets contain complete LSA information.
- C. LS Update packets contain complete LSA information.
- D. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
Answer: C
NEW QUESTION 39
ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?
- A. If the firewall security policy permits packets to pass, the session table is created.
- B. By default, when status detection is disabled and the permit policy is configured packets can pass.
- C. If the firewall security policy permits packets to pass, the packets can pass the firewall.
- D. Packets must pass the firewall, and a session table is established.
Answer: A
NEW QUESTION 40
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 41
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